WHITE-RODGERS

Model No. 7904

Programmable Electronic Digital Thermostat

INSTALLATION AND

OPERATION INSTRUCTIONS

Operator: Save these instructions for future use!

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

DESCRIPTION

Your new White-Rodgers 5-Day/2-Day Digital Thermostat uses the technology of a solid-state microcomputer to provide precise time/temperature control. This thermostat offers you the flexibil- ity to design heating and cooling programs that fit your needs.

Features:

• Battery powered (3 “AA” Energizer® alkaline batteries included).

•Separate 5-day (weekday) and 2-day (weekend) programming

•Simultaneous heat and cool program storage

•Preprogrammed temperature control

•Four separate time/temperature settings per 24-hour pe- riod

•LCD continuously displays set point, and alternately dis- plays time and room temperature

•Temperature override until next program period

•Manual program override (HOLD temperature)

•User may select either 12- or 24-hour clock display

•°F/°C convertibility

•Temperature range 45° to 90°F

•Standard five terminals for single or two-transformer sys- tems

•B and O terminals for single stage heat pumps or damper operation

This thermostat is intended for use with a low voltage system; do not use this thermostat with a line voltage system. If in doubt about whether your wiring is millivolt, line, or low voltage, have it inspected by a qualified heating and air conditioning contractor or electrician.

Do not exceed the specification ratings.

All wiring must conform to local and national electrical codes and ordinances.

This control is a precision instrument, and should be handled carefully. Rough handling or distorting components could cause the control to malfunction.

PRECAUTIONS

!CAUTION

To prevent electrical shock and/or equipment dam- age, disconnect electric power to system at main fuse or circuit breaker box until installation is complete.

!WARNING

Do not use on circuits exceeding specified voltage. Higher voltage will damage control and could cause shock or fire hazard.

Do not short out terminals on gas valve or primary control to test. Short or incorrect wiring will damage thermostat and could cause personal injury and/or property damage.

ELECTRICAL DATA

Electrical Rating:

8 to 30 VAC 50/60 Hz. or D.C.

0.05 to 1.5 Amps (Load per terminal)

1.5Amps Maximum Total Load (All terminals combined)

THERMAL DATA

Setpoint Temperature Range:

45°F to 90°F (7°C to 32°C)

Operating Ambient Temperature Range:

32°F to 105°F

Operating Humidity Range:

0 to 90% RH (non-condensing)

Shipping Temperature Range:

-40°F to 150°F

SPECIFICATIONS

APPLICATIONS

For use with:

•Standard heat/cool or heat only systems

•Electric heat systems

•Gas or oil fired systems

•Gas systems with intermittent ignition devices (I.I.D.) and/or vent dampers

•Hydronic (hot water or steam) systems

•Single-stage heat pump systems

•Millivolt systems

DO NOT USE WITH:

•Multi-stage systems

•Systems exceeding 30 VAC and 1.5 amps

•3-wire zoned hydronic heating systems

WHITE-RODGERS DIVISION

 

PART NO. 37-5599B

EMERSON ELECTRIC CO.

Printed in U.S.A.

9797 REAVIS ROAD

Replaces 37-5599A

 

ST. LOUIS, MISSOURI 63123-5398

 

9731

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White Rodgers 7904 specifications Description, Precautions, Specifications
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7904 specifications

The White Rodgers 7904 is a versatile and efficient thermostat designed for residential heating and cooling systems. Recognized for its user-friendly interface, the 7904 offers a range of features that enhance comfort while providing energy savings. The device primarily incorporates programmable settings, allowing homeowners to customize their heating and cooling schedules based on their daily routines. With four distinct program periods per day, users can set different temperatures for mornings, days, evenings, and nights, helping to optimize energy usage.

One of the standout technologies in the White Rodgers 7904 is its adaptive intelligent recovery feature. This smart technology learns how long it takes to reach desired temperatures, adjusting the system's start-up time accordingly. This ensures that the home is at the preferred temperature right when residents arrive, without wasting energy by heating or cooling the home too early or too late.

Another important aspect of the 7904 is its compatibility with various HVAC systems, including gas, oil, and electric heating, as well as heat pumps. This flexibility makes it an attractive option for a wide range of households. Moreover, the thermostat supports both single-stage and multi-stage heating and cooling systems, which further broadens its applicability.

The White Rodgers 7904 also features an easy-to-read LCD display that shows the current temperature settings, time, and system status. This intuitive interface simplifies operation, making it easy for anyone to program and adjust settings as needed. The device is backed by a durable design, ensuring longevity and reliability for years to come.

In addition to its programmable capabilities and smart recovery technology, the 7904 includes a built-in filter change reminder. This feature helps homeowners maintain their HVAC systems by notifying them when it's time to replace or clean filters, contributing to optimal system performance and indoor air quality.

Overall, the White Rodgers 7904 is a well-rounded thermostat that combines advanced technology with user-friendly features to provide efficient temperature management. Homeowners looking for a reliable solution to enhance comfort, save energy, and maintain HVAC systems will find the 7904 to be an excellent choice. Its flexibility and ease of use make it a popular option among many households.
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